she competes like a maniac. >> no one would fight for us more like our mom, she would teach us how to have each other's back. >> reporter: the strategies they'll use this weekend they learned long ago from dad. who says he knows what his heart will be after the game. >> there is going to be one winner and one that is going to be totally disappointed and my thoughts go to that one that will not experience the thrill of victory. >> reporter: no matter intensity of the rivalry, both personal and professional, really no matter what happens on sunday, they do both agree on one thing, diane. one day, they will both be happy to coach with the other. >> all right. josh elliott, thank you so much. have a great weekend, josh. we'll all be watching. >>> still ahead on "world news" -- those cars piling up, crashing one after the other. what do the huge trucks have do with the accidents? we'll show you how to stay safe on the roads this weekend. [ mrs. hutchison ] friday night has always been all fun and games here at the hutchison household. but one dark stormy evening... she needed a good meal a